[NM015D], Technical Note, Charles Batchelor, July 7th, 1878
https://edisondigital.rutgers.edu/document/NM015D
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Title
[NM015D], Technical Note, Charles Batchelor, July 7th, 1878
Editor's Notes
phonoautograph for experiments on elevated RR
Author
Date
1878-07-07
Type
Folder/Volume ID
NM015-F
Microfilm ID
6:746
Document ID
NM015D
Publisher
Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University